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Current system
08391-2240
BU 208 AC


Nearby doubles
15' : 08383-2231
ARA1746

16' : 08382-2231
DAM1427

25' : 08405-2255
BRT1466

26' : 08373-2237
ARA1745

31' : 08370-2245
ARA1744

32' : 08382-2211
B 2664AB

33' : 08411-2257
TDS 486

35' : 08410-2303
ARA1748

36' : 08366-2230
ARA1743AB

38' : 08414-2300
RSS 170

46' : 08415-2311
ARA1749

49' : 08379-2325
ARA2127

53' : 08360-2211
B 2182

54' : 08387-2333
ARA2129

55' : 08353-2251
ARA1741

58' : 08363-2159
DAM1422AB

58' : 08354-2304
ARA1742

61' : 08428-2315
BRT1467

62' : 08391-2139
ARA1458

63' : 08350-2214
TDS5951

65' : 08356-2158
TDS5960

68' : 08351-2318
DON 261

69' : 08394-2348
B 162

70' : 08385-2131
TDS6001

73' : 08340-2245
ARA1740

73' : 08355-2148
ARA1454



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08391-2240 BU 208 AC

 
 
08h 39m 07.90s -22° 39' 42.8" P.A. 184.00 sep 121.0 mag 5.37,11.35 Sp G6IV dist. 19.4 pc (63.28 l.y.)
 
 
Coord 2000 08391-2240 Discov num BU  208 Comp AC Coord arcsec 2000 08 39 07.90 -22 39 42.8
Date first 1874 Date last 2015 Obs 9
Pa first 215 Pa last 184.1 P.A. Now (θ) 184.1°
Sep first 72.0 Sep last 121.02 Sep. Now (ρ) 121.02"
Mag pri 5.37 Mag sec 11.35 delta mag (ΔM) 5.98 Spectral class G6IV (yellow)
Pri motion ra -268 Sec motion ra -003
Pri motion dec +424 Sec motion dec +001
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.995
This double is not physical.
 
 
08391-2240 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 73752 176226 08 39 08 -22 39 43 BU 208 AB 2023 140 61 0.4 5.37 6.81 1.44 Y
Show 176226 08 39 08 -22 39 43 BU 208 AC 2015 9 184 121.0 5.37 11.35 5.98 <===
Show 176226 08 39 08 -22 39 43 JNN 238 AD 2011 1 323 7.5 3.59 17.30 13.71
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pyxis SAO 176226 HIP 42430 Tycho2 6571-03298-1
HD 73752 HR 3430 ADS 6914 BD BD-22 2345
CD CD-22 6442 CP CP-22 3752 Distance 19.4 Distance ly 63.28
 
 
WDS 08391-2240 BU 208 AC : NOTES
 
 
discov_num notes refcode
BU 208 CPD-22@3750. Newburg finds little evidence for the perturbation Nbg1968b
suspected by Hirst (1943). Hir1943d
AB: A is suspected SB, P=106d? (Abt & Willmarth 2006). Fuhrmann (2011 AbH2006
MNRAS 411, 2311)says Aa,Ab has period few hundred days. Tok2014d
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
Hir1943d - Hirst, W.P. 1943MNSSA...2..100H
Hir1943d MNASSA 2, 100, 1943
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Nbg1968b orb - Newburg, J.L. 1968ROCi..127..168N
Nbg1968b Republic Obs. Circ. 127, 168, 1968
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
discov author
ABH Abt, H.A.
JNN Janson, M., Brandner, W., Lenzen, R., Close, L., Nielsen, E., Hartung, M.,
JNN Henning, T., & Rouy, H.
JNN Janson, M., Carson, J., Thalmann, C., McElwain, M.W., Goto, M., Crepp, J.,
JNN Wisniewski, J., Abe, L., et al.
JNN Janson, M., Bonavita, M., Klahr, H., Lafreniere, D., Jayawardhana, R.,
JNN & Zinnecker, H.
JNN Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S.,
JNN Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T.
JNN Janson, M., Jayawardhana, R., Girard, J.H., Lafreniere, D., Bonavita, M.,
JNN Gizis, J., & Brandeker, A.
JNN Janson, M., Lafreniere, D., Jayawardhana, R., Bonavita, M., Girard, J.H.,
JNN Brandeker, A., & Gizis, J.E.
JNN Janson, M., Brandt, T.D., Moro-Martin, A., Usuda, T., Thalmann, C., Carson, J.C.,
JNN Goto, M., Currie, T., McElwain, M.W., Itoh, Y., Fukagawa, M., Crepp, J., et al.
JNN Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F.,
JNN Hippler, S., & Henning, T.
JNN Janson, M., Bergfors, C., Brandner, W., Bonnefoy, M., Schlieder, J., Kohler, R.,
JNN Hormuth, F., Henning, T., & Hippler, S.
JNN Janson, M., Durkan, S., Hippler, S., Dai, X., Brandner, W., Schlieder, J.,
JNN Bonnefoy, M., & Henning, T. Jnn201
JNN Calissendorff, P., Janson, M., Kohler, R., Durkan, S., Hippler, S., Dai, X.,
JNN Brandner, W., Schlieder, J., & Henning, T.
JNN Janson, M., Durkan, S., Bonnefoy, M., Rodet, L., Kohler, R., Lacour, S., Brandner,
JNN Calissendorff, P., Janson, M. & Bonnefoy, M.
JNN Calissendorff, P., Janson, M., Rodet, L., Bonnefoy, M., Brandner, W., Brown-Sevilla,
JNN S., Chauvin, G., Delorme, P., Desidera, S., Durkan, S., Fontanive, C., Gratton, R.,
JNN Hagelbe3rg, J., Henning, T., Hippler, S., Lagrange, A.-M., Langlois, M., Lazzoni, C.
KIY Kiyaeva, O.V., Zhuchkov, R.Ya., Malogolovets, E.V., Orlov, V.V., Glukhova, A.V.,
KIY Balega, Yu., Yu. & Bikmaev, I.F.
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
08391-2240 BU 208 AC 1999 6 186 113.7 5.37 11.35 G6IV -22 3750 NLD 083908.07-223946.5
08391-2240 BU 208 AC 2015 9 184 121.0 5.37 11.35 G6IV -22 3750 NL U 083907.90-223942.8

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 08391-2240 BU 208 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08391-2240 BU 208 AC : MEASURES
 
 
No records found.

 
 
WDS 08391-2240 : VIRTUAL EYEPIECE
 
 

08391-2240 BU 208A mag 5.37 Sp G6IV 08391-2240 BU 208B sep 0.4 P.A. 60.60 mag 6.81 08391-2240 BU 208C sep 121.0 P.A. 184.10 mag 11.35 08391-2240 JNN 238D sep 7.5 P.A. 323.20 mag 17.3 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08391-2240 : ALADIN DSS IMAGE @ 08h 39m 07.90s -22° 39' 42.8"
 
 
 
 
WDS 08391-2240 BU 208 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08391-2240 BU 208AC distance=0' 08383-2231 ARA1746 distance=15' 08382-2231 DAM1427 distance=16' 08405-2255 BRT1466 distance=25' 08373-2237 ARA1745 distance=26' 08370-2245 ARA1744 distance=31' 08382-2211 B 2664BC distance=32' 08382-2211 B 2664AB distance=32' 08382-2211 B 2664AC distance=32' 08411-2257 TDS 486 distance=33' 08410-2303 ARA1748 distance=35' 08366-2230 ARA1743AB distance=36' 08366-2230 ARA1743BC distance=36' 08414-2300 RSS 170 distance=38' 08415-2311 ARA1749 distance=46' 08379-2325 ARA2127 distance=49' 08360-2211 B 2182 distance=53' 08387-2333 ARA2129 distance=54' 08353-2251 ARA1741 distance=55' 08363-2159 B 2661AC distance=58' 08363-2159 DAM1422AB distance=58' 08354-2304 ARA1742 distance=58' 08428-2315 BRT1467 distance=61' 08391-2139 ARA1458 distance=62' 08350-2214 TDS5951 distance=63' 08356-2158 TDS5960 distance=65' 08351-2318 DON 261 distance=68' 08394-2348 B 162 distance=69' 08385-2131 TDS6001 distance=70' 08340-2245 ARA1740 distance=73' 08355-2148 ARA1454 distance=73' 08437-2316 BRT1468 distance=73' 08432-2149 B 1987 distance=76' 08377-2353 HDS1240 distance=76' 08334-2304 LDS 225 distance=83' 08349-2340 ARA2125 distance=84' 08430-2347 ARA2134 distance=85' 08330-2225 ARA1739 distance=86' 08401-2114 BHA 10 distance=87' 08362-2121 ARA1456 distance=88' 08382-2408 ARA2128 distance=90' 08346-2135 ARA1453 distance=90' 08407-2407 HDS1250 distance=90' 08414-2407 ARA2132 distance=94' 08349-2128 HDS1231 distance=94' 08387-2415 ARA2130 distance=96' 08407-2416 ARA2131 distance=99' 08357-2407 ARA2126 distance=100' 08445-2133 ARA1459 distance=100' 08395-2100 RST5506 distance=100' 08375-2418 B 160 distance=101' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 08391-2240 BU 208 AB 61 0.4 0
Show 08391-2240 BU 208 AC 184 121.0 0
Show 08391-2240 JNN 238 AD 323 7.5 0
Show 08383-2231 ARA1746 100 9.6 15
Show 08382-2231 DAM1427 164 1.9 16
Show 08405-2255 BRT1466 126 4.0 25
Show 08373-2237 ARA1745 86 16.3 26
Show 08370-2245 ARA1744 328 7.8 31
Show 08382-2211 B 2664 BC 59 5.3 32
Show 08382-2211 B 2664 AB 129 11.3 32
Show 08382-2211 B 2664 AC 108 14.0 32
Show 08411-2257 TDS 486 74 1.0 33
Show 08410-2303 ARA1748 76 13.9 35
Show 08366-2230 ARA1743 AB 269 13.9 36
Show 08366-2230 ARA1743 BC 193 4.4 36
Show 08414-2300 RSS 170 209 8.5 38
Show 08415-2311 ARA1749 199 6.5 46
Show 08379-2325 ARA2127 95 7.0 49
Show 08360-2211 B 2182 358 1.2 53
Show 08387-2333 ARA2129 210 8.5 54
Show 08353-2251 ARA1741 6 13.3 55
Show 08363-2159 B 2661 AC 86 9.8 58
Show 08363-2159 DAM1422 AB 296 2.3 58
Show 08354-2304 ARA1742 280 11.6 58
Show 08428-2315 BRT1467 137 3.6 61
Show 08391-2139 ARA1458 255 7.5 62
Show 08350-2214 TDS5951 156 0.5 63
Show 08356-2158 TDS5960 162 2.1 65
Show 08351-2318 DON 261 314 0.3 68
Show 08394-2348 B 162 349 0.4 69
Show 08385-2131 TDS6001 354 0.9 70
Show 08340-2245 ARA1740 36 11.0 73
Show 08355-2148 ARA1454 219 13.6 73
Show 08437-2316 BRT1468 119 4.6 73
Show 08432-2149 B 1987 121 1.5 76
Show 08377-2353 HDS1240 36 0.2 76
Show 08334-2304 LDS 225 122 10.8 83
Show 08349-2340 ARA2125 35 13.7 84
Show 08430-2347 ARA2134 98 6.6 85
Show 08330-2225 ARA1739 268 15.1 86
Show 08401-2114 BHA 10 163 5.7 87
Show 08362-2121 ARA1456 66 5.7 88
Show 08382-2408 ARA2128 271 11.8 90
Show 08346-2135 ARA1453 270 15.3 90
Show 08407-2407 HDS1250 271 0.3 90
Show 08414-2407 ARA2132 131 8.8 94
Show 08349-2128 HDS1231 267 0.3 94
Show 08387-2415 ARA2130 313 5.4 96
Show 08407-2416 ARA2131 318 14.8 99
Show 08357-2407 ARA2126 114 12.4 100
Show 08445-2133 ARA1459 15 7.8 100

 
 
WDS 08391-2240 : COMPONENTS
 
 
  A B C
B pa=60.6°
sep=0.43"
 
C pa=184.1°
sep=121.02"
pa=184.3°
sep=121.26"
 
D pa=323.2°
sep=7.52"
pa=320.0°
sep=7.58"
pa=1.9°
sep=126.80"
 
 
08391-2240 A
 
 
Name HD 73752 Coord arcsec 2000 083907.90-223942.8 Mag 5.37 Spectral class G6IV (yellow)
PmRA -268.00 PmDE 424.0 SAO 176226 HIP 42430
Tycho2 6571-03298-1 HD 73752 HR 3430 GC 11877
BD BD-22 2345 CD CD-22 6442 CP CP-22 3752
Tycho2
Tycho2 6571-03298-1 Pflag P RAmdeg 129.78295342 DEmdeg -22.66183371
PmRA -260.8 PmDE 429.7 E RAmdeg 4 E DEmdeg 3
E pmRA 3.5 E pmDE 3.3 EpRAm 1991.41 EpDEm 1991.47
Num 4 Q RAmdeg 1.8 Q DEmdeg 2.0 Q pmRA 1.7
Q pmDE 2.1 BTmag 6.169 E BTmag 0.014 VTmag 5.372
E VTmag 0.009 Prox 10 TYC T HIP 42430
CCDM A RAdeg 129.78360889 DEdeg -22.66287722 EpRA 1990 1.44
EpDE 1990 1.49 E RAdeg 3.5 E DEdeg 3.4 Posflg D
Corr 0.1
SAO
SAO 176226 DelFlag RA1950 PmRA1950 -0.0174
DE1950 PmDE1950 0.432 Vmag 5.1 SpType G5
Double code Source 70 CatNum 11877 DM BD-22 2345
DMcomp BDsup HD 73752 M HD 0
GC 11877 RA1950rad 2.25558804 DE1950rad -0.39253777 PmRA2000 -0.017
PmDE2000 0.437
Hipparcos
Catalog H HIP 42430 Proxy H RAhms 08 39 08.07
DEdms -22 39 46.5 Vmag 5.05 VarFlag R Vmag G
RAdeg 129.784 DEdeg -22.6629 AstroRef A Plx 50.2
CCDM -268.26 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 28 Rho 1.067 HD BD BD-22 2345
CD CD-22 6442 CP CP-22 3752 Dm number -22 2345 VIred 0.73
SpType G3/G5V R SpType Coord arcsec 2000 083908.07-223946.5
Hipparcos 2
HIP 42430 Sn 17 So 3 Nc 2
RArad 2.2651515866 DErad -0.3955423445 Plx 51.55 PmRA -267.52
PmDE 417.61 E RArad 0.48 E DErad 0.42 E Plx 0.63
E pmRA 0.61 E pmDE 0.46 Hpmag E Hpmag 0.0005
SHp 0.006 VA 0 BV 0.72 E BV 0.02
VI 0.73
CCDM
Ccdm 08391-2240 RComp Comp A Note1
Note2 Discov num DRAs 2.02 DDEs 17.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.4 Sp G5 PmNote *
PmRA -240 PmDE 432 Dm number -22 2345 Cat1 BD
Name2 176226 Cat2 SAO HD 73752 M HD
ADS BDS A 6914 M ADS BDS N IDS IDS 08348S2219A
HIC 42430
 
 
08391-2240 B
 
 
Coord arcsec 2000 083907.93-223942.6 Mag 6.81 PmRA -261.00 PmDE 430.0
Delta magnitude 1.44 Coordinate calculated yes
CCDM
Ccdm 08391-2240 RComp Comp B Note1 *
Note2 Discov num BU 208 DRAs DDEs
R dRAs Year 1877 Theta Rho
Obs 99 Vmag 6.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6914 M ADS BDS N IDS IDS 08348S2219B
HIC 42430
 
 
08391-2240 C
 
 
Coord arcsec 2000 083907.27-224143.5 Mag 11.35 PmRA -3.00 PmDE 1.0
Delta magnitude 5.98 Coordinate calculated yes
CCDM
Ccdm 08391-2240 RComp Comp C Note1
Note2 Discov num BU 208 DRAs DDEs
R dRAs Year 1918 Theta 202 Rho 85.0
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 -22 3750 Cat2 CPD HD M HD
ADS BDS A 6914 M ADS BDS N IDS IDS 08348S2219C
HIC
 
 
08391-2240 D
 
 
Coord arcsec 2000 083907.57-223936.8 Mag 17.3 Delta magnitude 11.93 Coordinate calculated yes